The 20 Best Secondary Immunodeficiency (SID) Doctors Near Me

Find the Top Secondary Immunodeficiency (SID) Experts and Specialists

The 20 Best Secondary Immunodeficiency (SID) Doctors Near Me

Last Updated: 02/22/2026

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MediFind found 3831 doctor with experience in Secondary Immunodeficiency (SID). Of these, 3127 are Experienced, 514 are Advanced, 177 are Distinguished and 11 are Elite.

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3,831 providers found
    Donald C. Vinh
    Elite in Secondary Immunodeficiency (SID)
    Elite in Secondary Immunodeficiency (SID)
    St. Paul's Hospital, 
    Vancouver, BC, CA 

    Donald Vinh practices in Vancouver, Canada. Mr. Vinh is rated as an Elite expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Secondary Immunodeficiency (SID), Primary Immunodeficiency (PID), Severe Acute Respiratory Syndrome (SARS), COVID-19, and Bone Marrow Transplant.

    Julie A. Biller
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine | Pediatric Pulmonology
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine | Pediatric Pulmonology

    The Medical College Of Wisconsin Inc

    8701 Watertown Plank Rd, Room 4041 Mfrc, 
    Milwaukee, WI 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Julie Biller is a Pulmonary Medicine specialist and a Pediatric Pulmonologist in Milwaukee, Wisconsin. Dr. Biller is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Lung Metastases. Dr. Biller is currently accepting new patients.

    Elite in Secondary Immunodeficiency (SID)
    Elite in Secondary Immunodeficiency (SID)
    Madrid, MD, ES 

    Silvia Ramon-Sanchez practices in Madrid, Spain. Ms. Ramon-Sanchez is rated as an Elite expert by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Secondary Immunodeficiency (SID), Sudden Infant Death Syndrome (SIDS), Primary Immunodeficiency (PID), Common Variable Immune Deficiency, and Bone Marrow Transplant.

    Learn about our expert tiers
    Elite in Secondary Immunodeficiency (SID)
    Elite in Secondary Immunodeficiency (SID)
    Leipzig, SN, DE 

    Michael Borte practices in Leipzig, Germany. Mr. Borte is rated as an Elite expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Secondary Immunodeficiency (SID), Primary Immunodeficiency (PID), Sudden Infant Death Syndrome (SIDS), and Muckle-Wells Syndrome.

    Elite in Secondary Immunodeficiency (SID)
    Elite in Secondary Immunodeficiency (SID)
    Chemnitzer Str. 46, 
    Dresden, SN, DE 

    David Pittrow practices in Dresden, Germany. Mr. Pittrow is rated as an Elite expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Secondary Immunodeficiency (SID), Pulmonary Hypertension, Sudden Infant Death Syndrome (SIDS), and Hypertension.

    Elite in Secondary Immunodeficiency (SID)
    Elite in Secondary Immunodeficiency (SID)
    Berlin, BE, DE 

    Dorte Huscher practices in Berlin, Germany. Huscher is rated as an Elite expert by MediFind in the treatment of Secondary Immunodeficiency (SID). Their top areas of expertise are Secondary Immunodeficiency (SID), Systemic Sclerosis (SSc), Scleroderma, and Sudden Infant Death Syndrome (SIDS).

    Elite in Secondary Immunodeficiency (SID)
    Elite in Secondary Immunodeficiency (SID)
    Edgbaston, ENG, GB 

    Alex Richter practices in Edgbaston, United Kingdom. Mr. Richter is rated as an Elite expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Secondary Immunodeficiency (SID), COVID-19, Severe Acute Respiratory Syndrome (SARS), and Strep Throat.

    Elite in Secondary Immunodeficiency (SID)
    Elite in Secondary Immunodeficiency (SID)
    Madrid, MD, ES 

    Juliana Grullon-Ochoa practices in Madrid, Spain. Ms. Grullon-Ochoa is rated as an Elite expert by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Secondary Immunodeficiency (SID), Sudden Infant Death Syndrome (SIDS), Primary Immunodeficiency (PID), and Common Variable Immune Deficiency.

    Elite in Secondary Immunodeficiency (SID)
    Elite in Secondary Immunodeficiency (SID)
    Heath Park, 
    Cardiff, WLS, GB 

    Stephen Jolles practices in Cardiff, United Kingdom. Mr. Jolles is rated as an Elite expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Secondary Immunodeficiency (SID), Primary Immunodeficiency (PID), Common Variable Immune Deficiency, X-Linked Agammaglobulinemia, and Bone Marrow Transplant.

    Elite in Secondary Immunodeficiency (SID)
    Elite in Secondary Immunodeficiency (SID)
    Birmingham, ENG, GB 

    Adrian Shields practices in Birmingham, United Kingdom. Mr. Shields is rated as an Elite expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Secondary Immunodeficiency (SID), Severe Acute Respiratory Syndrome (SARS), Primary Immunodeficiency (PID), and Vitamin D Deficiency.

    Elite in Secondary Immunodeficiency (SID)
    Elite in Secondary Immunodeficiency (SID)
    Madrid, MD, ES 

    Miguel Arquero-Fernandez practices in Madrid, Spain. Mr. Arquero-Fernandez is rated as an Elite expert by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Secondary Immunodeficiency (SID), Common Variable Immune Deficiency, Sudden Infant Death Syndrome (SIDS), and Narcolepsy.

    Elite in Secondary Immunodeficiency (SID)
    Elite in Secondary Immunodeficiency (SID)

    Dana-Farber Cancer Institute

    450 Brookline Ave, 
    Boston, MA 
    Languages Spoken:
    English
    Offers Telehealth

    Matthew Davids is an Oncologist in Boston, Massachusetts. Dr. Davids is rated as an Elite provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), Small Lymphocytic Lymphoma (SLL), Tissue Biopsy, and Bone Marrow Transplant.

    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine | Intensive Care Medicine
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine | Intensive Care Medicine

    Yale University

    20 York St, 
    New Haven, CT 
    Languages Spoken:
    English
    Offers Telehealth

    Jonathan Koff is a Pulmonary Medicine specialist and an Intensive Care Medicine provider in New Haven, Connecticut. Dr. Koff is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Pseudomonas Stutzeri Infections.

    Distinguished in Secondary Immunodeficiency (SID)
    Pediatric Pulmonology | Pediatrics
    Distinguished in Secondary Immunodeficiency (SID)
    Pediatric Pulmonology | Pediatrics
    150 W Main St, 
    New Albany, OH 
    Languages Spoken:
    English, Spanish
    Accepting New Patients

    John Heintz is a Pediatric Pulmonologist and a Pediatrics provider in New Albany, Ohio. Dr. Heintz is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Secondary Immunodeficiency (SID), Cystic Fibrosis, Newborn Jaundice, and Jaundice. Dr. Heintz is currently accepting new patients.

    Jonathan E. Spahr
    Experienced in Secondary Immunodeficiency (SID)
    Pediatric Pulmonology | Pediatrics
    Experienced in Secondary Immunodeficiency (SID)
    Pediatric Pulmonology | Pediatrics

    St. Christopher's Pediatric Associates Pulmonary & Allergy - E. Erie Avenue

    160 E Erie Ave, 
    Philadelphia, PA 
    Languages Spoken:
    English

    . Dr. Spahr is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Jaundice.

    Javeed Akhter
    Experienced in Secondary Immunodeficiency (SID)
    Pediatric Pulmonology
    Experienced in Secondary Immunodeficiency (SID)
    Pediatric Pulmonology

    Advocate Children's Medical Group Pediatric Pulmonology

    4440 W 95th St Ste, Ste 1200H, 
    Oak Lawn, IL 
    Languages Spoken:
    English, Hindi, Urdu

    Javeed Akhter is a Pediatric Pulmonologist in Oak Lawn, Illinois. Dr. Akhter is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Pneumonia, Secondary Immunodeficiency (SID), Newborn Jaundice, and Cystic Fibrosis.

    Ashley Chadha
    Experienced in Secondary Immunodeficiency (SID)
    Experienced in Secondary Immunodeficiency (SID)

    Atrium Health Levine Children's Pulmonology

    1001 Blythe Blvd., Suite E, 
    Charlotte, NC 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ashley Chadha is a Pediatrics provider in Charlotte, North Carolina. Dr. Chadha is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, and Koolen De Vries Syndrome. Dr. Chadha is currently accepting new patients.

    Joel D. Mermis
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine

    Medical Pavilion

    2000 Olathe Boulevard, 
    Kansas City, KS 
    Experience:
    23+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Joel Mermis is a Pulmonary Medicine provider in Kansas City, Kansas. Dr. Mermis has been practicing medicine for over 23 years and is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, Bronchiectasis, and Thyroidectomy. Dr. Mermis is currently accepting new patients.

    Michael S. Crosser
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine
    Distinguished in Secondary Immunodeficiency (SID)
    Pulmonary Medicine

    Medical Pavilion

    2000 Olathe Boulevard, 
    Kansas City, KS 
    Experience:
    24+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Crosser is a Pulmonary Medicine provider in Kansas City, Kansas. Dr. Crosser has been practicing medicine for over 24 years and is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Secondary Immunodeficiency (SID), Cystic Fibrosis, Newborn Jaundice, Endoscopy, and Bone Marrow Aspiration. Dr. Crosser is currently accepting new patients.

    Christian Merlo
    Distinguished in Secondary Immunodeficiency (SID)
    Transplant Surgery
    Distinguished in Secondary Immunodeficiency (SID)
    Transplant Surgery

    Johns Hopkins Outpatient Center

    601 North Caroline Street, Floor 7, Floor 7, 
    Baltimore, MD 
    Languages Spoken:
    English

    Dr. Merlo is an internist who specializes in pulmonary and critical care medicine. Dr. Merlo also has clinical expertise in the care of patients with cystic fibrosis as well as clinical expertise in the care of patients with advanced lung disease who may require or have undergone lung transplantation. Dr. Merlo holds a joint appointment in epidemiology at the Johns Hopkins Bloomberg School of Public Health. Dr. Merlo attended the College of the Holy Cross and completed medical school and residency training in internal medicine at Georgetown University. He completed both clinical and research fellowships in pulmonary and critical care medicine at Johns Hopkins, and earned his M.P.H. at the Bloomberg School of Public Health. His research interests include outcomes in lung transplantation and cystic fibrosis, HIV-related pulmonary disease, and outcomes in Osler Weber Rendu. Dr. Merlo serves as the Associate Program Director of Scholarship for the Osler Medical Housestaff Training Program. He has contributed numerous scientific papers and book chapters related to cystic fibrosis and lung transplantation, and his awards include the Harry Shwachman Clinical Investigator Award from the Cystic Fibrosis Foundation. Dr. Merlo is rated as a Distinguished provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Aspergillosis, Lung Transplant, and Endoscopy.

    Showing 1-20 of 3,831

    Last Updated: 02/22/2026

    When should I see a Secondary Immunodeficiency (SID) doctor near me?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Secondary Immunodeficiency (SID) doctor near me?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Secondary Immunodeficiency (SID) doctors near me?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Secondary Immunodeficiency (SID) doctors near me?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Secondary Immunodeficiency (SID) doctor near me?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Secondary Immunodeficiency (SID) doctor search results page. 

    Why is it important to get a second opinion from a different Secondary Immunodeficiency (SID) doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Secondary Immunodeficiency (SID) doctor near me?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Secondary Immunodeficiency (SID) doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Secondary Immunodeficiency (SID) doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Secondary Immunodeficiency (SID) doctors near me?

    Look for the filter feature on the left side of the Secondary Immunodeficiency (SID) doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Secondary Immunodeficiency (SID) doctor that offers video calls?

    Look for the filter feature on the left-side of the Secondary Immunodeficiency (SID) doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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